Added helper script responsible for downloading browser extension binaries to...

Added helper script responsible for downloading browser extension binaries to be used at testing (Keychain is on the list atm)

scripts/bash/npm-helpers/npm_download_browser_extensions.sh

+#!/bin/bash
+set -xeuo pipefail
+
+SCRIPTPATH="$( cd -- "$(dirname "$0")" >/dev/null 2>&1 ; pwd -P )"
+
+TARGET_DIR=${1:?"Missing arg #1 to specify target directory to save downloaded files"}
+
+abs_target_dir=`realpath -m --relative-base="$SCRIPTPATH" "$TARGET_DIR"`
+TARGET_DIR="${abs_target_dir}"
+
+mkdir -vp "${TARGET_DIR}"
+
+pushd "${TARGET_DIR}"
+
+declare -A EXTENSION_LIST=(
+  ["Hive-Keychain"]="jcacnejopjdphbnjgfaaobbfafkihpep"
+) 
+
+for i in "${!EXTENSION_LIST[@]}"; do
+    # echo "Key: $i value: ${EXTlist[$i]}"
+    extensionName=$i
+    extensionID=${EXTENSION_LIST[$i]}
+
+    # we could try to use Chrome documented way to specify extensions to be automatically installed, but it is not honored in headless version of Chromium
+    # https://developer.chrome.com/docs/extensions/how-to/distribute/install-extensions#preference-linux
+    #echo '{"external_update_url": "https://clients2.google.com/service/update2/crx"}' > /opt/google/chrome/extensions/${extensionID}.json
+
+    DOWNLOAD_FILE_NAME="crx?response=redirect&os=win&arch=x86-64&os_arch=x86-64&nacl_arch=x86-64&prod=chromecrx&prodchannel=unknown&prodversion=9999.0.9999.0&acceptformat=crx2,crx3&x=id=${extensionID}&uc"
+    DOWNLOAD_URL="https://clients2.google.com/service/update2/crx?response=redirect&os=win&arch=x86-64&os_arch=x86-64&nacl_arch=x86-64&prod=chromecrx&prodchannel=unknown&prodversion=9999.0.9999.0&acceptformat=crx2,crx3&x=id%3D${extensionID}%26uc"
+    wget -nc "${DOWNLOAD_URL}"
+
+    UNZIP_DIR="${TARGET_DIR}/${extensionName}"
+    if [[ -d "${UNZIP_DIR}" ]];
+    then
+      echo "${extensionName} extension directory exists. Skipping..."
+    else
+      echo "Unpacking ${extensionName} into directory: ${UNZIP_DIR}"
+
+      mkdir -vp "${UNZIP_DIR}"
+      pushd "${UNZIP_DIR}"
+
+      # unzip often failed with random errors, so instead of regular cp, let's try to fix it immediately
+      zip -FFv "$TARGET_DIR/${DOWNLOAD_FILE_NAME}" --out "${extensionName}.zip"
+      #cp -n "$TARGET_DIR/${DOWNLOAD_FILE_NAME}" "${extensionName}.zip"
+
+      unzip "./${extensionName}.zip"
+      popd
+    fi
+done
+
+popd